48% OFF Cheap Flights from Boise to Seattle (SEA)

Expected price increase 20%
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Average price per month


  • Low Season: January
  • High Season: May
  • Prices for this route are volatile and fluctuate from month to month.
  • The cheapest flights are usually bought in January, July and February.
  • High season months are June, November and May. However, it's not the rule and you should always search current flight deals.
  • For example, the flight from Boise to Seattle is currently 48% cheaper than average.

Price increase as travel date approaches


  • Flight prices for this route increase by 49% if you book last minute. Hover on the graph above to see for yourself!.
  • To grab the lowest price possible, you should buy your flight around 33 days before departure!
  • Consider booking at least 15 days before departure to increase your chances of getting a low price.
  • Generally, it's safe to book between 90 and 60 days in advance.

Boise to Seattle Flight Information

Flights Depart FromBoise (BOI)
Flights Arriving ToSeattle (SEA)
Distance640.21 km
Current Discount48 %
Average Price $180.18
Good Deal $99.18
Cheapest AirlinesDelta Air Lines, Alaska Airlines
Popular AirlinesAlaska Airlines, Delta Air Lines
Flight Duration01 hours 15 minutes
Flights Depart From
Boise (BOI)
Flights Arrive In
Seattle (SEA)
Distance
640.21 km
Flight Duration
01 hours 15 minutes
Current Discount
48 %
Average Price
$180.18
Good Deal
$99.18
Cheapest Airlines
Delta Air Lines, Alaska Airlines
Popular Airlines
Alaska Airlines, Delta Air Lines

Most Reliable Airlines flying to Seattle

Airline Overall Rating On time arrival Check-in & Boarding Cleanliness Customer Service Food & Beverage Entertainment Legroom Seat Comfort
Alaska Airlines Alaska Airlines 4.1 4.5 4.5 4.5 4.5 3.5 3.5 4.0 4.0
Delta Air Lines Delta Air Lines 3.8 4.5 4.0 4.0 4.0 3.5 4.0 3.5 3.5
Overall Rating
4.0
On time arrival
4.5
Check-in & Boarding
4.5
Cleanliness
4.5
Customer Service
4.5
Food & Beverage
3.5
Entertainment
3.5
Legroom
4.0
Seat Comfort
4.0
Overall Rating
4.0
On time arrival
4.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
4.0
Legroom
3.5
Seat Comfort
3.5

Good to know:


  • Seattle-Tacoma International is the major airport in Seattle and surrounding area.

Enter your preferred departure airport and travel dates into the search form above to unlock the latest Seattle flight deals.

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How to get the cheapest flight to Seattle?

Currently there is a 48% discount on flights to Seattle. This price won't stay too long and you should consider buying now.

Flight prices for this route are expected to go up by 20%.

Search and compare flight options now!.

Awesome Deals

notifications_active In the past few days the following airlines offered the lowest prices from Boise to Seattle: Delta Air Lines and Alaska Airlines..

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